Richard Simon Todd
31Patents
8h-index
35Co-inventors
75Inventor score
Filing activity: Mar 9, 1978 → Nov 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4172120A | Cholestyramine compositions and method for treating biliary gastritis | Human Necessities | 64 | Expired |
| US4640920A | 4-(cinnolinylamino or quinazolinylamino)benzenesulphonamides and intermediates therefor | Chemistry; Metallurgy | 20 | Expired |
| US6358987B1 | Metalloproteinase inhibitors | Chemistry; Metallurgy | 19 | Expired |
| US4808715A | 4-quinazolinylamino and 4-cinnolinylamino benzenesulphonic acids and amides | Chemistry; Metallurgy | 16 | Expired |
| US8987279B2 | Triazolo [4, 5-D] pyramidine derivatives and their use as purine receptor antagonists | Chemistry; Metallurgy | 14 | Active |
| US8450328B2 | Triazolo[4,5-D]pyramidine derivatives and their use as purine receptor antagonists | Chemistry; Metallurgy | 13 | Active |
| US6271262A | Metalloproteinase inhibitors | Chemistry; Metallurgy | 11 | Expired |
| US5075303A | Pyridine derivatives | Chemistry; Metallurgy | 10 | Expired |
| US9376443B2 | Triazolo[4,5-D] pyramidine derivatives and their use as purine receptor antagonists | Chemistry; Metallurgy | 7 | Active |
| US9765080B2 | Triazolo[4,5-D] pyramidine derivatives and their use as purine receptor antagonists | Chemistry; Metallurgy | 6 | Active |
| US7625889B2 | Substituted bis aryl and heteroaryl compounds as selective 5HT2A antagonists | Chemistry; Metallurgy | 4 | Active |
| US5210228A | Decaline based HMC-COA reductase inhibitors with two C-6 substituents | Chemistry; Metallurgy | 3 | Expired |
| US5936116A | Preparation of allyl succinate derivatives and starting materials therefor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5194439A | N-(2,3-dihydro-1,4-benzodioxinyl)-N-substituted aminopyrido-fused cycloalkanes | Chemistry; Metallurgy | 2 | Expired |
| US4760158A | Nitriles | Chemistry; Metallurgy | 2 | Expired |
| US4803207A | Hypoglycemic 2',3',10'-tetrahydro-10'-hydroxy-10'-substituted-spiro[cycloakane-1,3'-p yrimido(1,2-a)indole]deratives | Human Necessities | 2 | Expired |
| US4784996A | Pyrimidoindoles useful as hypoglycaemics | Chemistry; Metallurgy | 2 | Expired |
| US6716878B1 | Antimicrobial agents | Chemistry; Metallurgy | 2 | Expired |
| US7875600B2 | Pyrimidine compounds as purine receptor antagonist | Chemistry; Metallurgy | 1 | Expired |
| US4695574A | 4-Quinolinylamino-N-[pyrrolidinyl or piperdinyl)alkyl]-benzenesulphonamides | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5256811A | Certain intermediates for the preparation of neuinic acid derivatives | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4789677A | N-alkyl-[N-[N-alkyl-N-[4-(4-quinolinylamino)benzoyl]ami no]alkyl]benzenesulphonamides | Chemistry; Metallurgy | 0 | Expired |
| US10106547B2 | Triazolo[4,5-D] pyramidine derivatives and their use as purine receptor antagonists | Chemistry; Metallurgy | 0 | Active |
| US10538526B2 | Triazolo[4,5-D] pyramidine derivatives and their use as purine receptor antagonists | Chemistry; Metallurgy | 0 | Active |
| US11234939B2 | Dosage forms comprising a plasma kallikrein inhibitor | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.